Keyword Analysis & Research: recording speed 1920s


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What was the speed of electrical recording in the 1920s?

It employed a vertical, rather than lateral cut, groove and could not be played on any other machine." Recording and playing speeds ranged from 72 to 86 rpm before the standard settled at 78 (though Columbia, for example, issued 80 rpm discs for some time after 1920). Electrical recording was first used in 1925.

What was the speed of the first record player?

The earliest rotation speeds varied considerably, but from 1900 to 1925 most records were recorded at 74–82 revolutions per minute (rpm). Edison Disc Records consistently ran at 80 rpm. At least one attempt to lengthen playing time was made in the early 1920s.

What was the first speed of rotation on a record?

Earliest speeds of rotation varied widely, but by 1910 most records were recorded at about 78 to 80 rpm. In 1925, 78.26 rpm was chosen as a standard for motorized phonographs, because it was suitable for most existing records, and was easily achieved using a standard 3600-rpm motor and 46-tooth gear (78.26 = 3600/46).

How many revolutions per minute (RPM) do Records run at?

Edison Records Diamond Disc label, early 1920s. Edison Disc Records always ran at 80 rpm. The earliest rotation speeds varied considerably, but from 1900 to 1925 most records were recorded at 74–82 revolutions per minute (rpm). Edison Disc Records consistently ran at 80 rpm. At least one attempt to lengthen playing time was made in the early 1920s.


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